The U.S. Army Corps of Engineers will solicit a competitive, firm-fixed-price construction contract for the comprehensive repair and rehabilitation of Tainter Valve TV1 at The Dalles Lock and Dam, including structural and weld repairs, seal and seal plate replacement, and installation of new armor plates and oversized self-lubricating bushings. The work requires removal, transport to an AISC-certified fabrication shop, as-built surveys, and reinstallation inside the navigation lock fill culverts; the fabricator must meet specific AISC certification categories and have at least five years of similar project experience. The contract period of performance is 150 days after Notice to Proceed, with an estimated construction magnitude of $1,000,000 to $5,000,000. Performance is at The Dalles Lock and Dam, and the solicitation is anticipated to be released around mid-August 2026. This is a full and open, unrestricted requirement under NAICS 237990, with the government intending to award without discussions.